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fn adt_kind -> wfcheck

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This commit is contained in:
Mazdak Farrokhzad 2019-12-24 05:12:01 +01:00
parent cd8377d37e
commit c19ed3bc5b
2 changed files with 13 additions and 13 deletions
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16
src/librustc_typeck/check/wfcheck.rs
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@ -1,12 +1,13 @@
use crate::check::{FnCtxt, Inherited};
use crate::constrained_generic_params::{identify_constrained_generic_params, Parameter};
use crate::hir::def_id::DefId;
use rustc::hir::def_id::DefId;
use rustc::hir::ItemKind;
use rustc::infer::opaque_types::may_define_opaque_type;
use rustc::middle::lang_items;
use rustc::traits::{self, ObligationCause, ObligationCauseCode};
use rustc::ty::subst::{InternalSubsts, Subst};
use rustc::ty::{self, GenericParamDefKind, ToPredicate, Ty, TyCtxt, TypeFoldable};
use rustc::ty::{self, AdtKind, GenericParamDefKind, ToPredicate, Ty, TyCtxt, TypeFoldable};
use rustc::util::nodemap::{FxHashMap, FxHashSet};
use errors::DiagnosticBuilder;
@ -252,6 +253,15 @@ fn for_id(tcx: TyCtxt<'_>, id: hir::HirId, span: Span) -> CheckWfFcxBuilder<'_>
}
}
fn item_adt_kind(kind: &ItemKind<'_>) -> Option<AdtKind> {
match kind {
ItemKind::Struct(..) => Some(AdtKind::Struct),
ItemKind::Union(..) => Some(AdtKind::Union),
ItemKind::Enum(..) => Some(AdtKind::Enum),
_ => None,
}
}
/// In a type definition, we check that to ensure that the types of the fields are well-formed.
fn check_type_defn<'tcx, F>(
tcx: TyCtxt<'tcx>,
@ -297,7 +307,7 @@ fn check_type_defn<'tcx, F>(
field.span,
fcx.body_id,
traits::FieldSized {
adt_kind: match item.kind.adt_kind() {
adt_kind: match item_adt_kind(&item.kind) {
Some(i) => i,
None => bug!(),
},